Required Headlines (you can add more)
(this is from a resume session geared towards college/high school students)
This was my brother’s explanation when I asked the same question. It was so good, I felt like I needed to share it to help other people. The following are his words to me:
Let's start with fluids. Anything that flows can be modeled as a fluid. Air, water, blood, oil, etc.
All fluids have viscosity, meaning they are sticky, and stick to surfaces.